Home / 350,163.60-524,899.80-172,525.20

Finding the Fourth Proportional to 350,163.60, 524,899.80 and 172,525.20

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Solution

The fourth proportional to 350,163.60, 524,899.80 and 172,525.20 is: 258,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,163.60 : 524,899.80 = 172,525.20 : x
  2. Step 2: Convert to fraction form
    350,163.60/524,899.80 = 172,525.20/x
  3. Step 3: Cross multiply
    350,163.60x = 524,899.80 × 172,525.20
  4. Step 4: Simplify right side
    350,163.60x = 90,558,442,974.96
  5. Step 5: Solve for x
    x = 90,558,442,974.96/350,163.60
  6. Step 6: Final answer
    x = 258,617.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.